Finding the Fourth Proportional to 4,750,253.28, 6,555,189.81 and 2,815,365.18
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Solution
The fourth proportional to 4,750,253.28, 6,555,189.81 and 2,815,365.18 is: 3,885,109.29
Step by Step Solution
- Step 1: Write the proportion equation
4,750,253.28 : 6,555,189.81 = 2,815,365.18 : x - Step 2: Convert to fraction form
4,750,253.28/6,555,189.81 = 2,815,365.18/x - Step 3: Cross multiply
4,750,253.28x = 6,555,189.81 × 2,815,365.18 - Step 4: Simplify right side
4,750,253.28x = 18,455,253,139,364.82 - Step 5: Solve for x
x = 18,455,253,139,364.82/4,750,253.28 - Step 6: Final answer
x = 3,885,109.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.